1 files changed, 16 insertions, 0 deletions
diff --git a/tools/sysinc/math.h b/tools/sysinc/math.h
new file mode 100644
index 0000000..3809446
--- /dev/null
+++ b/tools/sysinc/math.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: MIT */
+
+#ifndef MATH_H
+#define MATH_H
+
+#if 100 * __GNUC__ + __GNUC_MINOR__ >= 303
+#define NAN      __builtin_nanf("")
+#define INFINITY __builtin_inff()
+#else
+#define NAN      (0.0f / 0.0f)
+#define INFINITY 1e5000f
+#endif
+
+float expf(float);
+
+#endif